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#e5e7eb;border-radius:12px;margin-bottom:1rem;padding:1.125rem}.tc-formula-card:last-child{margin-bottom:0}.tc-formula-title{margin:0 0 10px;font-size:.95rem;font-weight:700}.formula-grid{grid-template-columns:1fr 1fr;gap:10px;margin-bottom:10px;display:grid}.formula-box{background:#ffffffb3;border:1px solid #e5e7eb;border-radius:8px;flex-direction:column;gap:6px;padding:12px;display:flex}.formula-title{color:#6b7280;text-transform:uppercase;letter-spacing:.04em;font-size:.75rem;font-weight:700}.formula-code{color:#6366f1;word-break:break-word;background:#ede9fe;border-radius:6px;padding:6px 10px;font-family:Courier New,Courier,monospace;font-size:.82rem;line-height:1.5;display:block}.tc-formula-example{color:#6b7280;margin:0;font-size:.82rem}.tc-formula-example strong{color:#374151}.seo-section{background:#fff;border:1px solid #e5e7eb;border-radius:14px;margin-top:1.25rem;padding:1.75rem}.seo-section h2{color:#111827;margin:1.5rem 0 .5rem;font-size:1.1rem;font-weight:700}.seo-section h2:first-child{margin-top:0}.seo-section p{color:#4b5563;margin:0;font-size:.9rem;line-height:1.7}@media (width<=768px){.tc-page{padding:1rem 1rem 3rem}.tc-main-grid,.formula-grid{grid-template-columns:1fr}.tool-title{font-size:1.4rem}.tc-scale-grid{grid-template-columns:repeat(4,1fr)}}@media (width<=480px){.tc-scale-grid{grid-template-columns:repeat(2,1fr)}.tc-presets-grid{grid-template-columns:1fr 1fr}.stats-grid-2{grid-template-columns:1fr}.action-buttons{flex-direction:column}.btn-reset,.btn-save,.btn-copy{text-align:center;width:100%}.group-cards{grid-template-columns:1fr 1fr}.tc-card{padding:1.125rem}.seo-section{padding:1.25rem}}